pcsx2/common/Error.h

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2022-12-28 11:13:26 +00:00
/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2022 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "Pcsx2Defs.h"
#include <string>
class Error
{
public:
Error();
Error(const Error& e);
Error(Error&& e);
~Error();
enum class Type
{
None = 0,
Errno = 1,
Socket = 2,
User = 3,
Win32 = 4,
HResult = 5,
};
__fi Type GetType() const { return m_type; }
__fi const std::string& GetDescription() const { return m_description; }
void Clear();
/// Error that is set by system functions, such as open().
void SetErrno(int err);
/// Error that is set by socket functions, such as socket(). On Unix this is the same as errno.
void SetSocket(int err);
/// Set both description and message.
void SetString(std::string description);
#ifdef _WIN32
/// Error that is returned by some Win32 functions, such as RegOpenKeyEx. Also used by other APIs through GetLastError().
void SetWin32(unsigned long err);
/// Error that is returned by Win32 COM methods, e.g. S_OK.
void SetHResult(long err);
#endif
static Error CreateNone();
static Error CreateErrno(int err);
static Error CreateSocket(int err);
static Error CreateString(std::string description);
#ifdef _WIN32
static Error CreateWin32(unsigned long err);
static Error CreateHResult(long err);
#endif
// helpers for setting
static void SetErrno(Error* errptr, int err);
static void SetSocket(Error* errptr, int err);
static void SetString(Error* errptr, std::string description);
static void SetWin32(Error* errptr, unsigned long err);
static void SetHResult(Error* errptr, long err);
Error& operator=(const Error& e);
Error& operator=(Error&& e);
bool operator==(const Error& e) const;
bool operator!=(const Error& e) const;
private:
Type m_type = Type::None;
std::string m_description;
};